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Elmhurst, Illinois

City in DuPage County, Illinois

Air quality

The air at Elmhurst

Index 21, good, led by ozone. Read at 6 AM from its reporting area, Chicago (IL), 14 miles off.

21Good
  • Fine particles (PM2.5)10Good6.1 mi
  • Ozone21Good13 ppb6.1 mi
  • Coarse particles (PM10)-18.8 mi

The days ahead

Good each day through Mon Oct 19, led by fine particles. Yesterday measured 25, good.

Smoke, the next 44 hours

No smoke near the ground through Mon 1 AM.

SatSun

Precipitation

What has fallen at Elmhurst

0.02 in in the last 24 hours, 0.77 in over the last 3 days, to Sat 5 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.02in
Last 3 days
0.77in

Visibility

How far you can see at Elmhurst, the next 44 hours

Visibility stays 10 miles or more through Mon 1 AM.

SatSun

On the radar over Elmhurst, IllinoisReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 6 instruments nearest Elmhurst, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.3 miles away.

measured now4 instruments

measured daily2 instruments

Glen Ellyn 4SGLEI2

At a cooperative observer's station/7.4 mi away/679 ft/22 ft below here

snowfall, snow depth, precip, high, low

Rank932of 1,419

Station report

The weather at Chicago OHare, drawn

The nearest airport reporting now, 4.7 mi from Elmhurst, Illinois. From its report of Oct 17, 2026, 5:51 AM local time: 3 of its 6 sheets.

The sky

A few clouds at 4,500 ft; visibility 10 mi or more.

Section of the sky over Chicago OHare, height above the station to scale: a few clouds cloud with its base at 4,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ORDFIG. A THE SKY OVER CHICAGO OHARESECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION01,0002,0003,0004,0005,0006,0007,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETFEW 4,500 FTA FEW CLOUDS, 1 TO 2 EIGHTHS OF THE SKYVISIBILITY, MILES: 10 MI OR MORE0510TITLEChicago OHare, the skySTATION REPORT · ASOS ORDTYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-17IDSR-ORD-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018

The air

40.0 F with a dew point of 28.0 F, 62 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 2,700 ft up; the lowest cloud reported is at 4,500 ft.

Chart of the air at Chicago OHare: temperature 40.0 degrees Fahrenheit and dew point 28.0, 62 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 2,700 feet above the station, against the lowest cloud reported at 4,500 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ORDFIG. B THE AIR AT CHICAGO OHARETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00010 F20 F30 F40 F50 FSATURATES 2,700 FT ABOVE THE STATION, AT 25.4 FLOWEST CLOUD REPORTED, FEW 4,500 FTTEMPERATURE 40.0 FDEW POINT 28.0 FSPREAD 12.0 FRELATIVE HUMIDITY 62 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEChicago OHare, the airSTATION REPORT · ASOS ORDTYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-17IDSR-ORD-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the north northwest (330 degrees) at 9 mph: force 3, a gentle breeze on the Beaufort scale. The strongest gust today was 23 mph.

Plan of the wind at Chicago OHare, north up: blowing from 330 degrees, the north northwest, at 9 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 3, gentle breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT ORDFIG. C THE WIND AT CHICAGO OHAREPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 330°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE43GENTLE BREEZE8NOW, 9 MPH4MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEChicago OHare, the windSTATION REPORT · ASOS ORDTYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-17IDSR-ORD-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Chicago OHare, in 6 sheets, each beside the Field Book plates that explain it

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Snow on the ground

Elsewhere in Illinois

23 places, each with its own forecast and its own instruments.

Near Elmhurst

The nearest places, each with its own forecast and the instruments nearest it.

Near Elmhurst

River and lake gauges